thanku sir ji [1]
2 POSITIVE REAL NO.S x & y satisfying x≤1 & y≤1 r chosen at random.The probability that
x+y≤1 , given that x2 + y2 ≥ 1/4 , is
a) (8-∩) / (16-∩)
b) (4-∩) / (16-∩)
c)(4-∩) / (8-∩)
d) None
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6 Answers
Lokesh Verma
·2009-10-27 08:26:40
Uttara think of this one by graph..
area of the part such that x2+y2<4 = π(1/2)2
Area of the part such that x<1, y<1 and x, y are both positive is 1
Now sketch the graph of x+y=1
and find the conditional probability
If you cant. i will finish this one for you.